Controller expander



FIG. 1 is a front, top and left perspective view of a controller expander of our new design;

FIG. 2 is a rear, bottom and right perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a front view thereof, attached to a controller; and,

FIG. 10 is a right side view thereof, attached to a controller.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a controller expander, as shown and described. 